Wednesday, March20, 2019 L-36.com


Marine Weather and Tides
Michigan City, IN

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:49AMSunset 7:00PM Wednesday March 20, 2019 3:56 AM CDT (08:56 UTC) Moonrise 6:42PMMoonset 6:58AM Illumination 99% Phase: Full Moon; Moon at 14 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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LMZ046 Michigan City In To New Buffalo Mi- 323 Pm Est Mon Jan 28 2019
.small craft advisory in effect through Tuesday afternoon...
Tonight..West wind 20 to 30 knots. Gusts up to 35 knot gales. Freezing spray. Occasional snow showers. Waves 6 to 10 feet occasionally to 13 feet.
Tuesday..West wind to 30 knots. A few gusts to 35 knot gales. Heavy freezing spray in the morning. Slight chance of snow showers in the morning, then chance of snow showers in the afternoon. Waves 5 to 8 feet occasionally to 10 feet.
Tuesday night..West wind to 30 knots. A few gusts to 35 knot gales. Chance of snow showers. Waves 5 to 8 feet occasionally to 10 feet.
Wednesday..West wind to 30 knots. Snow showers likely in the morning, then chance of snow showers in the afternoon. Waves 6 to 10 feet occasionally to 13 feet subsiding to 3 to 6 feet in the afternoon. The water temperature off michigan city is 32 degrees...and 33 degrees off st. Joseph. This is the last nearshore marine forecast (nshiwx) issuance for the season due to increasing ice coverage and limited traffic on the nearshore waters. The nearshore marine forecast will be issued again by march 1st, 2019, or earlier if conditions warrant.
LMZ046 Expires:201901290530;;066234 FZUS53 KIWX 282023 NSHIWX Nearshore Marine Forecast for Indiana National Weather Service Northern Indiana 323 PM EST Mon Jan 28 2019 For waters within five nautical miles of shore on Lake Michigan LMZ046-290530-


7 Day Forecast for Marine Location Near Michigan City city, IN
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location: 41.72, -86.89     debug


Area Discussion for - Northern Indiana, IN
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Fxus63 kiwx 200712
afdiwx
area forecast discussion
national weather service northern indiana
312 am edt Wed mar 20 2019

Synopsis
Issued at 312 am edt Wed mar 20 2019
light rain is expected across the area today. This rain will
continue through tonight but dry conditions are anticipated
Thursday through Saturday. Warmer conditions and additional rain
arrive late Sunday into Monday but cool weather returns for the
middle of next week.

Short term (today and tonight)
issued at 312 am edt Wed mar 20 2019
today's light rain event playing out largely as expected so far and
only minor changes made to the going forecast. Phasing process is
underway this morning between shortwave over the central plains and
second wave diving into the NW great lakes. LLJ will continue to
increase through the morning with solid cross-isobar flow noted
through a deep layer of isentropic surfaces (particularly 285-290k).

Moisture advection still looks good with mixing ratios near 4 g kg
on the 290k surface. Only minor change was a slightly slower
evolution that has delayed precip slightly and focused better
chances in our NW cwa. Made a few adjustments to pops and qpf
accordingly. Our SE zones may miss out on initial isentropic ascent
altogether but most guidance supports numerous showers this evening
as strong vort MAX and associated low level convergence boundary
push through the area. This process may take some time as shortwaves
pinwheel a bit and eventually merge. Chance of light showers will
remain in at least our SE zones through Thu morning. Storm total qpf
still expected to be a tenth or two with the highest amounts in our
north. Highs today likely stuck in the mid 40s in our northwest
half... While far SE could touch 50s given drier conditions. Lows
tonight drop back to near freezing. Held with entirely liquid
forecast though can't completely rule out a few snowflakes at times
late tonight. No accumulation though given light rates and very
marginal surface ground temps.

Long term (Thursday through Tuesday)
issued at 312 am edt Wed mar 20 2019
precip exits Thu morning and anticipate dry conditions through thu
night. Still watching yet another polar jet streak and attendant
shortwave diving south into the great lakes early Fri (helping spawn
a very strong cyclone over new england later Fri into sat). Can't
rule out a stray flurry or sprinkle in our eastern zones Fri morning
but exact track of vort MAX will be key here as moisture is
obviously very limited. Will hold with silent 10 pop for now. Even
if precip does occur... It will be very light with no impact.

Saturday looking pleasant... A little on the cool side but anticipate
full Sun with strong subsidence and dry air advection behind exiting
trough.

Previously noted trend toward more troughing over eastern canada and
cool dry N NW flow locally next week continues. Still get a brief
period of SW flow WAA Sun but will not last long with strong cold
front high pressure returning as early as Monday. GFS 850mb temps
are near -20c over northern great lakes during this time. Still some
disagreement over exact temps and precip timing but definitely
looking cooler and (potentially) drier through at least the middle
of next week.

Aviation (for the 06z tafs through 06z Wednesday night)
issued at 119 am edt Wed mar 20 2019
vfr to start yet will deteriorate through this mid morning inadvance
of compact but energetic SW disturbance ejecting ewd out of the
cntrl plains. General MVFR conditions for this aftn as rain
overspreads the terminals for a time (longest INVOF ksbn near upper
wave track) and extending into this evening with perhaps additional
showers along cold front.

Iwx watches warnings advisories
In... None.

Mi... None.

Oh... None.

Lm... None.

Synopsis... Agd
short term... Agd
long term... Agd
aviation... T
visit us at

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MCYI3 - Michigan City, IN 1 mi37 min SSE 14 G 20 40°F 27°F
BHRI3 - Burns Harbor, IN 15 mi53 min S 6 G 9.9 41°F 1022.7 hPa
CMTI2 - 9087044 - Calumet, IL 34 mi39 min SSW 7 G 8.9 42°F 1021.4 hPa30°F
SJOM4 - St. Joseph, MI 34 mi57 min S 4.1 G 7 39°F 1023 hPa (-1.0)
JAKI2 36 mi117 min SW 4.1 G 8 44°F
CHII2 - Chicago, IL 39 mi37 min SSW 15 G 15 44°F 29°F
FSTI2 44 mi117 min SSW 17 44°F

Wind History for Calumet Harbor, IL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Michigan City Municipal Airport, IN4 mi62 minS 710.00 miFair37°F26°F65%1023 hPa
Valparaiso Porter County Municipal Airport, IN20 mi2 hrsS 510.00 miOvercast39°F27°F62%1023.9 hPa

Wind History from VPZ (wind in knots)
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Last 24hrW3SW4SW4SW4SW4W6W7W7W5SW8
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1 day agoCalmW4W4W4W4NW5NW5CalmS8SW8W8W8W10NW4W8W10SW5SW5SW3SW3SW3SW3SW3SW3
2 days agoCalmCalmE3CalmSW5SW8--------W7W9--N6N6N5CalmCalmCalmW3CalmCalmCalmCalm

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map and Satellite Images
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wmap_A
GOES Local Image of Midwest    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Northern Indiana, IN (4,6,7,8)
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Ground Weather Radar Station Northern Indiana, IN
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.